Improvement in mitering attachments for sawing-machines



A. AITKEN. Improvement in Mitermg Attachment for Sewing-Machines.

'ff-.W @am UNITED STATES PATENT OFFICE.

ANDREW AITKEN, OF EAST UOB-INTH, VERMONT.

Speciicationforming part of Letters Patent No. 127,728, dated June 11,1872.

Specification describing a new and Improved Mitering Attachment forSawing-Machines, in-

vented by ANDREW A1TKEN,of East Corinth, in the county of Ora-nge andState of Vermont.

My invention consists in a mitering attachment adapted for applicationto any `saw-table. Figure lisa transverse section of my improvedattachment taken on the line w a: of

' Fig. 2, and Fig 2 is a plan view.

' F, passing through slots in said braces, and

fastened at any point by thumb-nuts Gr. This frame B is provided with abar,`G, by which it may be bolted to a movable saw-table, or said barmay bek lowered and placed in a groove of a stationary saw-table, andserve as a guide by which to move the attachment part of the saw. Saidbar G' can be shifted on said frame B toward or from the edge of A,according to the distance the edge of said table is required to be fromthe saw. In case there is no groove in the saw-table, a strip or bar ofiron may be fastened thereon, adapted for the notches I in the lowerside of frame B to fit on it, for

the attachment to Vbe guided thereby as it is moved along. The braces Dare provided with a scale of degrees by which to set the table A formiters of any degree. On the face of this table A where the Work is tobe placed is an adjustable guide, K, swiveled on' a bolt and thumb nut,L, and with India-rubber frictionpads M between it'and the table, whichsaid guide is employed to adjust the sticks to be sawed for anothermiter at right angles to the one formed by the inclination of table A.

'This attachment will be placed on the sawtable with the lower edge oftable A as close to the saw as required, and the work held up on it. Itis then shoved along to carry the work to the saw in the same Way thatany movable saw-table works.

Havingthus described my invention, I claim as new and desire to secureby Letters Patent- The mitering attachment for saw-tables, consisting ofbase B, bar G movable in slots of said base, the curved arc-slottedbraces D, and the hinged table A provided with adj nstable guide K, allconstructed and arranged as described.

ANDBE W AITKEN.

Witnesses:

A. S. CoRLIss, J. K. DARLING.

